Home / 558,334.08-770,495.22-303,685.20

Finding the Fourth Proportional to 558,334.08, 770,495.22 and 303,685.20

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Solution

The fourth proportional to 558,334.08, 770,495.22 and 303,685.20 is: 419,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,334.08 : 770,495.22 = 303,685.20 : x
  2. Step 2: Convert to fraction form
    558,334.08/770,495.22 = 303,685.20/x
  3. Step 3: Cross multiply
    558,334.08x = 770,495.22 × 303,685.20
  4. Step 4: Simplify right side
    558,334.08x = 233,987,994,984.74
  5. Step 5: Solve for x
    x = 233,987,994,984.74/558,334.08
  6. Step 6: Final answer
    x = 419,082.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.